jeltz/hostap
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

wpa_cli: Add all_bss command to print all scan results (BSS entries)

Browse source 
The wpa_supplicant control interface returns maximum of 4 kB of response
data and, thus, limits maximum number of scan entries as part of
SCAN_RESULTS to approximately 60. Add a new all_bss command to use a
more robust iteration of the BSS table entries with the BSS command to
to get all scan entries and print them in the same format as the
scan_results command.

Signed-off-by: Purushottam Kushwaha <pkushwah@codeaurora.org>
This commit is contained in:
Purushottam Kushwaha 2020-05-28 12:07:37 +05:30 committed by Jouni Malinen
parent f38146e559
commit 85ca13ebcf
1 changed files with 74 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

74
wpa_supplicant/wpa_cli.c
View file

@ -3059,6 +3059,78 @@ static int wpa_cli_cmd_dpp_pkex_remove(struct wpa_ctrl *ctrl, int argc,
#endif /* CONFIG_DPP */
static int wpa_ctrl_command_bss(struct wpa_ctrl *ctrl, const char *cmd)
{
char buf[512], *pos, *bssid, *freq, *level, *flags, *ssid;
size_t len;
int ret, id = -1;
if (!ctrl_conn)
return -1;
len = sizeof(buf) - 1;
ret = wpa_ctrl_request(ctrl, cmd, os_strlen(cmd), buf, &len,
wpa_cli_msg_cb);
if (ret == -2) {
printf("'%s' command timed out.\n", cmd);
return -2;
} else if (ret < 0) {
printf("'%s' command failed.\n", cmd);
return -1;
}
buf[len] = '\0';
if (os_memcmp(buf, "FAIL", 4) == 0)
return -1;
pos = buf;
while (*pos != '\0') {
if (str_starts(pos, "id="))
id = atoi(pos + 3);
if (str_starts(pos, "bssid="))
bssid = pos + 6;
if (str_starts(pos, "freq="))
freq = pos + 5;
if (str_starts(pos, "level="))
level = pos + 6;
if (str_starts(pos, "flags="))
flags = pos + 6;
if (str_starts(pos, "ssid="))
ssid = pos + 5;
while (*pos != '\0' && *pos != '\n')
pos++;
*pos++ = '\0';
}
if (id != -1)
printf("%s\t%s\t%s\t%s\t%s\n", bssid, freq, level, flags, ssid);
return id;
}
static int wpa_cli_cmd_all_bss(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
char cmd[64];
int id = -1;
unsigned int mask;
printf("bssid / frequency / signal level / flags / ssid\n");
mask = WPA_BSS_MASK_ID | WPA_BSS_MASK_BSSID | WPA_BSS_MASK_FREQ |
WPA_BSS_MASK_LEVEL | WPA_BSS_MASK_FLAGS | WPA_BSS_MASK_SSID;
do {
if (id < 0)
os_snprintf(cmd, sizeof(cmd), "BSS FIRST MASK=0x%x",
mask);
else
os_snprintf(cmd, sizeof(cmd), "BSS NEXT-%d MASK=0x%x",
id, mask);
id = wpa_ctrl_command_bss(ctrl, cmd);
} while (id >= 0);
return 0;
}
enum wpa_cli_cmd_flags {
cli_cmd_flag_none = 0x00,
cli_cmd_flag_sensitive = 0x01
@ -3718,6 +3790,8 @@ static const struct wpa_cli_cmd wpa_cli_commands[] = {
cli_cmd_flag_none,
"*|<id> = remove DPP pkex information" },
#endif /* CONFIG_DPP */
{ "all_bss", wpa_cli_cmd_all_bss, NULL, cli_cmd_flag_none,
"= list all BSS entries (scan results)" },
{ NULL, NULL, NULL, cli_cmd_flag_none, NULL }
};